I have NVidia GTX 970.
Windows 10 is full of spyware and I hate the "modern" UI, so I went back to Windows 7 64-bit and disabled the telemetry updates and nagware updates. It's nice and fast.
"Special situation arises, if anywhere in Windows 10 you type the name of a famous American film. Windows 10 will start by itself after some time to look at your hard drive in a folder with media files and indexing them. Indexed file is then anonymously sent to these servers about 30 minutes when the computer is idle, it was unable to accurately determine the period of:
df.telemetry.microsoft.com
reports.wes.df.telemetry.microsoft.com
cs1.wpc.v0cdn.net
vortex-sandbox.data.microsoft.com
pre.footprintpredict.com
...
After the first activation of Windows 10, and after the first turn on the web camera over the Internet sends around 35 MB of data to these servers:
oca.telemetry.microsoft.com
oca.telemetry.microsoft.com.nsatc.net
vortex-sandbox.data.microsoft.com
i1.services.social.microsoft.com
i1.services.social.microsoft.com.nsatc.net"